Chamberlain University BIOS 251/252 /255 /256 PREP Exam Verified Questions & Correct Answers | Expert Written Solutions | Latest update

Chamberlain University BIOS 251/252 /255 /256 PREP Exam Verified Questions & Correct Answers | Expert Written Solutions | Latest update nucleic acids - ANSWER complex biomolecules nucleotides - ANSWER biological polymer made of a class nitrogenous base, five carbon sugar, and phosphate group DNA - ANSWER double helix shape stored in nucleus carries genetic code contain genes A -- T G -- C RNA - ANSWER single-stranded nucleic acid that contains the sugar ribose create proteins via translation A -- U G -- C ATP - ANSWER transfers energy to cell processes water - ANSWER universal solvent forms hydrogen bonds high heat capacity adhesion and cohesion cohesion - ANSWER attracted to other water molecules adhesion - ANSWER able to stick to nearby molecules catabolism - ANSWER Metabolic pathways that break down molecules, releasing energy exergonic anabolism - ANSWER Metabolic pathways that construct molecules, requiring energy endergonic hydrolysis - ANSWER consuming a water molecule to break a covalent bond dehydration - ANSWER creating a new covalent bond between two monomers and producing water as a by-product subatomic particles and charges - ANSWER proton (+), neutron (0), electron (-) atomic weight - ANSWER average mass of an atom of that element atomic number - ANSWER number of protons in an atom mass number - ANSWER total number of protons and neutrons ions - ANSWER atoms/ molecules with an electrical charge isotopes - ANSWER Atoms with the same number of protons but different numbers of neutrons covalent bonding - ANSWER sharing of electrons (between nonmetals) hydrogen bonding - ANSWER water molecules reacting with each other ionic bonding - ANSWER form between cations and anions between non metals and metals metals - ANSWER seek to lose electrons nonmetals - ANSWER seek to gain electrons polar covalent bonds - ANSWER when one atom has a higher affinity for electrons; electrons are shared unequally nonpolar covalent bond - ANSWER similar electron affinity; electrons shared equally